Seiko Cal. 4445 - 740

Seiko 4445-740

This Automatic model from 1987 features a 41mm Hardlex-Coated Steel case. Powered by the 4445 caliber with 25j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-c731b9c0a8f5]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
14.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Navy
Jewels
25j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1987

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